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Jumbi Undō

Overview

Jumbi Undō (準備運動) literally means preparatory exercises and constitutes the first stage of training in Kyokushin karate.

In Masutatsu Oyama’s training system, Jumbi Undō is used to systematically prepare the body before technical training, kata, or kumite begins. The purpose of the warm-up is not only to increase body temperature but also to gradually activate the joints, muscles, and movement patterns that will later be used during karate practice.

In several of Oyama’s books it is emphasized that the body must be properly prepared before engaging in intense training. Karate places significant stress on joints, tendons, and muscles, and without adequate preparation the risk of injury increases. For this reason, training traditionally begins with structured preparatory movements.

Jumbi Undō also functions as a method for developing:

  • mobility
  • joint flexibility
  • body control
  • balance
  • basic physical discipline

Through regular repetition of these movements, practitioners gradually develop a body that is better adapted to the physical demands of karate training.

Jumbi Undō in the structure of Kyokushin training

In the traditional training structure of Kyokushin, Jumbi Undō is always performed at the beginning of practice.

The overall order of training usually follows this sequence:

  1. Jumbi Undō – physical preparation
  2. Breathing (Ibuki and Nogare) – stabilization and control of power
  3. Kihon – basic techniques
  4. Kata – integration of techniques through form
  5. Kumite – practical application

This order reflects the methodological progression of training in which the body is prepared before techniques are practiced under physical stress.

Structure of Jumbi Undō

Jumbi Undō consists of a sequence of exercises that gradually activate the body from the extremities toward the center.

The sequence typically includes movements for:

  • toes and feet
  • ankles
  • knees
  • hips
  • torso and spine
  • shoulders
  • arms and hands

The exercises are usually performed rhythmically to a count and are normally led by the instructor in the dojo.

Many of the movements are simple in appearance but serve an important function in mobilizing the joints, improving flexibility, and preparing the body for the more dynamic movements that follow later in training.

Documentation in this technical library

In this section of the technical library, each element of Jumbi Undō is documented as an individual technical exercise.

For every exercise the following elements are described:

  1. Name of the exercise
  2. Romaji instruction
  3. Counting
  4. Short description
  5. Purpose

The objective is to create a structured technical reference for the preparatory exercises so they can be studied, analyzed, and applied consistently in training.

The documentation is based on the study of Masutatsu Oyama’s works as well as established training practice within Kyokushin karate.